SEOUL, Feb. 12 (Yonhap) -- A total of 194 cases of norovirus infections have been confirmed as of Monday, since the outbreak in the Olympic host town last week, organizers of the PyeongChang Winter Olympics said.

The organizing committee said that as of 4 p.m. on Monday, 17 additional people were found to have been affected by the virus, which is known to cause stomach pain and diarrhea.

Currently, 47 patients are quarantined, while 147 others have recovered and returned to work.

None of the Olympic athletes were infected by the virus, the committee noted.

The organizing committee earlier said in a statement that a survey of tap water, food staff and food items is under way to trace the route of transmission.